% Echo Location Surface Spectrum in units of mm/sqrt(Hz)
% 64 Frequency Bands are 0.01562500 Hz wide(first frequency band is centered at 0.00830078)
      91
     107
      70
     115
     156
     243
     362
     324
     332
     242
     348
     405
     426
     399
     749
     547
     530
     420
     467
     353
     303
     310
     334
     333
     303
     242
     185
     184
     181
     196
     186
     172
     158
     193
     153
     170
     111
     101
     122
     100
      84
      78
      69
      56
      57
      48
      71
      34
      70
      71
      35
      21
     -11
     -20
     -32
      31
     -26
     -36
      28
     -27
     -24
     -40
     -35
     -47